{"schema":"threatline.record/2","record":{"id":"CVE-2021-30983","aliases":[],"summary":"Apple iOS and iPadOS Buffer Overflow Vulnerability","details":"Apple iOS and iPadOS contain a buffer overflow vulnerability that could allow an application to execute code with kernel privileges.","categories":["Operating systems"],"product":"iOS and iPadOS","vendor":"Apple","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-30983","source_modified_at":"2025-10-21T23:25:36.448Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"iOS and iPadOS","vendor":"Apple","versions":[{"lessThan":"15.2","status":"affected","version":"unspecified","versionType":"custom"}],"defaultStatus":null}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-30983","source_modified_at":"2025-10-21T23:25:36.448Z","fetched_at":"2026-10-23T18:42:43.628194Z","package":{"name":"iOS and iPadOS","ecosystem":null},"version":"15.2","basis":"first unaffected version stated in the CVE record"}],"cvss":7.8,"severity":"High","kev":{"listed":true,"date_added":"2022-06-27","due_date":"2022-07-18","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.02923,"percentile":0.86963,"score_date":"2026-10-23"},"published_at":"2021-08-24T18:51:21.000Z","modified_at":"2025-10-21T23:25:36.448Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2021-30983","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:25:36.448Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2021-30983","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30983","source":"CISA KEV"},{"source":"CVE List","url":"https://support.apple.com/en-us/HT212976","tags":["x_refsource_MISC","x_transferred"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-30983","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"no","technical_impact":"total","assessed_at":"2025-01-29T17:28:56.728932Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:25:36.448Z","content_hash":"6b03e3cbc8962eb28c865f149bd3951195dc37ef95baa992bf7b156ec7f0855f"}}